package com.chen.netty.firstexample;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.SimpleChannelInboundHandler;
import io.netty.handler.codec.http.*;
import io.netty.util.CharsetUtil;


public class TestHttpServerHandler extends SimpleChannelInboundHandler<HttpObject> {

    @Override
    protected void channelRead0(ChannelHandlerContext channelHandlerContext, HttpObject msg) throws Exception {
        if( msg instanceof  HttpRequest ) {
            ByteBuf content = Unpooled.copiedBuffer("hello world", CharsetUtil.UTF_8);
            FullHttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1,
                    HttpResponseStatus.OK, content);
            response.headers().add(HttpHeaderNames.CONTENT_TYPE, "text/plain");
            response.headers().add(HttpHeaderNames.CONTENT_LENGTH, content.readableBytes());
            channelHandlerContext.writeAndFlush(response);
        }
    }
}
